After menstruation passes, the fourth day has blood together how to return a responsibility

The fourth day after menstruation bleeding in the same room, consider the following reasons: 1, ovulation bleeding: ovulation bleeding is not much, some people can show a small amount of coffee-colored secretions, general bleeding 2-3 days, can be accompanied by mild ovulation pain and backache, such patients do not need treatment. 2, contact bleeding: vaginal bleeding and vaginitis after sexual intercourse, cervical erosion, cervical polyps, early cervical cancer, submucosal myoma and other gynecological diseases. 3, take emergency contraception: The effect of emergency contraception on menstruation is mainly manifested in changes in menstrual cycle, which may be early or delayed. If you take emergency contraception regularly, it can cause menstrual disorders and excessive menstrual bleeding. 4, functional uterine bleeding: clinically more common, manifested as irregular menstrual cycle, menstrual volume, menstrual extension or irregular bleeding. Therefore, bleeding on the fourth day after menstruation, should go to the hospital in time to do gynecological examination, B-ultrasound examination and cervical cancer screening, identify the cause symptomatic treatment.